Parts Express makes it easy to put the finishing touches on your mobile audio installation. Your system will sound and look its best when you use the right car audio installation accessories. We carry the radio dash mounting kits and wiring harnesses you need for upgraded head units, 12V relays and sockets for your add-ons, antennas, and line output converters and controllers.

Cable, wire, and connectors are extremely important to your installation's success, and Parts Express provides options that support every example of connectivity. Sound damping materials optimize your vehicle's acoustical properties and suppress unwanted resonances. Put waterproof foam speaker baffles in your doors and deck to protect your expensive speakers. Our automotive carpet and trunk liner are available in a variety of colors, making it easy to achieve the perfect custom look.